I am using OMAPL138 and kernel version 2.6.37 and I would like to improve the boot time. By analyzing the kernel boot process I think it is taking a long time at MII PHY CONFIGURATION. The printscreen ...

I have a setup script for a Vagrant box where I used to measure single steps with time. Now I would like to conditionally enable or disable the time measurements.
For example, previously a line would ...

I had a couple of questions about the NTP Nanokernel as explained here: http://www.eecis.udel.edu/~mills/database/brief/nano/nano.pdf
The big question is how does this Nanokernel manage to deliver an ...

The bash man page lists three and only three format codes recognized by the shell's builtin version of time: %R for the real time, %U for the time spent in userspace, and %S for time spent in system ...

There is a nice question and answer explaining the relationships between 'real', 'user' and 'sys'.
It explains the reasons why 'real' can vary, and defines the 'user' and 'sys' as times the process ...

When I wanted to know how long systemd actually needed to boot the default target, how would I do that ? An then, is it possible to create a graph to show which unit takes how much time to initialize ...

Is there way to determine using standard Linux/Unix tools how much a process has spent in User mode and how much waiting for kernel?
In other words, exactly the "user" and "sys" values that you get ...

Im using time to time a Perl script on standard terminal in Ubuntu 14.04.
I have read that real time is stopwatch time; the time I, as a user, is spending looking at the program running from I start ...

I have a few guest machines on VMware. Up until now I was keeping my time sync with ntpd inside guests. Now our VMware admins decided to setup VM hosts to keep time, so VMs don't have to. I disabled ...

Suppose I have a binary called foo.
If I want to redirect the output of foo to some other process bar, I could write ./foo | bar.
On the other hand, if I wanted to time foo, and redirect the output ...